Side-by-Side Model Context Protocol Comparison
Holidays vs Nationalize
In-depth architectural comparison of the Holidays and Nationalize MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.
At a Glance & Executive Verdict
Holidays
Developer Tools · Remote HTTP/SSE
Quality: 52/100 (Good) | Auth: No auth required
Nationalize
Developer Tools · Remote HTTP/SSE
Quality: 51/100 (Good) | Auth: No auth required
Verdict Summary: Choose Holidays if you need specialized Developer Tools tools running via a hosted cloud SSE transport. Choose Nationalize if your workspace requires Developer Tools integration with remote web transport. Both servers can be configured concurrently in your client's
mcpServers manifest.Which MCP Server Should You Choose?
H
Choose Holidays when:
- You need dedicated capabilities in the Developer Tools domain.
- You prefer remote streaming HTTP/SSE transport architecture.
- Your security boundary fits: No auth required (Free / Open Source).
- Primary tools included: get_holidays, is_today_holiday, next_holidays.
N
Choose Nationalize when:
- You need dedicated capabilities in the Developer Tools domain.
- You prefer remote streaming HTTP/SSE transport architecture.
- Your security boundary fits: No auth required (Free / Open Source).
- Primary tools included: predict_nationality, batch_predict.
Feature & Specification Comparison
Tools & Capabilities Breakdown
Holidays Tools (3)
get_holidays
Get all public holidays for a country and year. Returns holiday names and dates. Provide country code (e.g., "US", "GB", "DE") and year.
is_today_holiday
Check if today is a public holiday in a given country. Returns whether it's a holiday and the holiday name if applicable. Provide country code (e.g., "US", "GB").
next_holidays
Get upcoming public holidays from today onward for a country. Returns holiday names and dates. Provide country code (e.g., "US", "GB", "DE").
Nationalize Tools (2)
predict_nationality
Predict likely nationalities from a first name. Returns up to 5 country codes ranked by probability (0.0–1.0). Use when inferring someone's origin from their given name.
Ready-to-Paste Client Configurations
Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).
Holidays Configuration
Nationalize Configuration